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Grandstream Powerful 2-port ATA with Gigabit NAT Router HT812

The HT812 is an advanced 2-port analog telephone adapter (ATA) with 2 FXS ports and an integrated Gigabit NAT router. Built upon Grandstream’s market-leading SIP ATA/gateway technology with millions of units successfully deployed worldwide, this powerful

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Category: Phone Gateway

Description

The HT812 delivers powerful VoIP technology and routing capabilities to home and office environments, and allows users to successfully connect their analog devices to a manageable and powerful VoIP network. Built using Grandstream’s market-leading SIP ATA/gateway technology, with millions of units successfully deployed worldwide, this powerful ATA features exceptional voice quality in various applications and environments. The HT812 comes with 2 easy-to-use FXS ports, an integrated Gigabit NAT router, state-of-the-art encryption with a unique security certificate per unit, automated provisioning for volume deployment and device management and outstanding network performance.

Features

  • Supports 2 SIP profiles through 2 FXS ports and dual Gigabit ports
  • Includes a built-in NAT router which can handle routing speeds up to 100MBps
  • TLS and SRTP security encryption technology to protect calls and accounts
  • Automated provisioning options include TR-069 and XML config files
  • Supports 3-way voice conferencing
  • Failover SIP server automatically switches to secondary server if main server loses connection
  • Supports T.38 Fax for creating Fax-over-IP
  • Supports a wide range of caller ID formats
  • Use with Grandstream’s UCM series of IP PBXs for Zero Configuration provisioning

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Interfaces
Telephone Interfaces Two (2) RJ11 FXS ports
Network Interfaces Two (2) 10/100/1000Mbps RJ45 ports
LED Indicators POWER, LAN, WAN, PHONE1, PHONE2
Factory Reset Button Yes
Voice, Fax, Modem
Telephony Features Caller ID display or block, call waiting, flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference
Voice Codecs G.711 with Annex I (PLC) and Annex II (VAD/CNG), G.723.1, G.729A/B, G.726, iLBC,
OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax Over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through
Short/Long Haul Ring Load 3 REN, up to 1km on 24AWG line
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods Busy Tone, Polarity Reversal/Wink, Loop Current
Signaling
Network Protocols TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP,
TFTP, SSH, STUN, SIP (RFC3261), SIP over TCP/TLS, SRTP, TR-069
QoS Layer 2 (802.1Q VLAN, SIP/RTP 802.1p) and Layer 3 (ToS, Diffserv, MPLS)
DTMF Method In-audio, RFC2833 and/or SIP INFO
Provisioning and Control HTTP, HTTPS, SSH, TFTP, TR-069 , secure and automated provisioning using AES
encryption, syslog
Security
Media SRTP
Control TLS/SIPS/HTTPS
Management Syslog support, SSH, remote management using web browser
Physical
Universal Power Supply Input: 100-240VAC, 50-60Hz
Output: 12V/0.5A
Environmental
Operational: 32º – 104ºF or 0º – 40ºC
Storage: 14º – 140ºF or -10º – 60ºC
Humidity: 10 – 90% Non-condensing
Dimension and Weight
28.5 x 130 x 90 mm (H x W x D)
Weight: 353.33g
Compliance FCC/CE/RCM, K.21

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